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6a³b=...* (-2b)= (-3a³)*(-2b)
-4p²r³= 1/2pr² /:(p*r²)
-4 pr = 1/2 /:(-4)
pr = - 1/8
lub ostatnie:
-4p²r³= 1/2pr²
-4p²r³- 1/2pr² =
= (-1/2pr²)*(8pr + 1)
3ab²=3b*ab
6a³b=...* (-2b)=-3a³*(-2b)
4p²r³= 1/2pr² /÷pr²
-4pr=1/2 /÷(-4
pr=1/2*(-1/4)
pr=-1/8